Note: The information contained in this periodical weblog may be outdated. This was my personal weblog published before January 1, 2015. Since then I have been the co-owner and Principal Solar Designer at Florida Solar Design Group.

Solar Acronym: SDHW

What does the Acronym SDHW stand for?

SDHW = Solar Domestic Hot Water

a.k.a Solar Water Heating, Solar Water Panels

SDHW is the term used in the solar industry to describe solar water heating collectors (panels) or systems. Several types of SDHW exist, including flat plat collectors made of copper heat exchangers in aluminum and glass enclosures, heat pipe collectors with copper pipe enclosed in evacuated (vacuum) glass tubes, and polymer collectors like the Fafco Revolution SDHW system.

Fafco Revolution Polymer Collector SDHW System
Fafco Revolution Polymer Collector SDHW System
Typical Solar Water Heating Collector
Flat Plate SDHW Panel

3 Comments

  1. You know, I have to say I really like the look of the system in the top photo best.

    1. Author

      You know, I can’t blame you there, Jeff. This is a Fafco Revolution 48 square foot collector system with three 2’x8′ solar panels. We retrofit this system to the customer’s existing and relatively new 65 gallon electric water heater.


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